CN102231751A - Wire train bus (WTB) data recorder and working method thereof - Google Patents
Wire train bus (WTB) data recorder and working method thereof Download PDFInfo
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Abstract
The invention discloses a wire train bus (WTB) data recorder and a working method thereof, wherein the WTB data recorder comprises a micro controller unit (MCU), a WTB protocol controller, a WTB coder-decoder and a WTB driver that are bidirectionally connected in sequence through an internal bus, wherein the WTB driver is bidirectionally connected with an external WTB bus; a PC104 bus interface module, a PC104CPU integrated circuit board and a data memory device, wherein one end of the PC104 bus interface module is bidirectionally connected with the MCU through the internal bus, and the other end of the PC104 bus interface module is bidirectionally connected with one end of the PC104CPU integrated circuit board through the internal bus; and the other end of the PC104CPU integrated circuit board is connected with the data memory device. The WTB data recorder and the working method thereof disclosed by the invention have the advantages of reliability, flexibility, universality, low cost, and the like.
Description
Technical field
The present invention relates to a kind of network control unit that is used for locomotive, particularly a kind of wired train bus (Wire Train Bus is called for short WTB) data logger and method of work thereof.
Background technology
The WTB technology is mainly used in the communication of locomotive, but the transmission of implementation procedure data and message data, its maximum characteristics have locomotive operation function just exactly, promptly after the configuration of rolling stock changes, can automatically address vehicle, constitute new locomotive topological structure, and do not need artificial participation.The WTB network is based on the networking of WTB technology, it is a kind of network of rolling stock bus design that is specially, become at present a kind of abroad with the high reliability fieldbus networks of domestic a large amount of uses, it is an important component part of IEC61375-1 standard, but because the WTB network is strongly professional, external interface also is not convenient especially.
The WTB data logger is extensive use data memory device gradually on the present rolling stock, generally is placed in the drivers' cab, and the personnel that maintain easily download and analyze data.Behind vehicle Hui Ku, the attendant can the fault of downloaded stored on the WTB data logger and the file of vehicle operating, and carries out judgement and analysis that the ruuning situation of car load is correlated with by relevant upper computer analyzing software.
Because the particular utility of rolling stock, the core technology of a lot of WTB data loggers is abroad monopolized, the domestic blank that also is in, and this makes that external WTB data logger price is very expensive.In addition, on the external WTB data logger 26S Proteasome Structure and Function, can not satisfy domestic user's demand well, its practicality is lower.
Summary of the invention
The invention provides a kind of WTB data logger, in order to solving WTB data logger cost height in the prior art, technological deficiency that practicality is low, thereby reach the technique effect that reduces cost, improves practicality.
The invention provides a kind of WTB data logger, comprising:
MCU, WTB protocol controller, WTB codec and WTB driver, by the two-way in turn connection of internal bus, and described WTB driver and outside two-way connection of WTB bus;
PC104 bus interface module, PC104CPU integrated circuit board and data storage device; One end of described PC104 bus interface module by described internal bus and described MCU two-way be connected and the other end by an end two-way be connected of described internal bus with described PC104CPU integrated circuit board; The other end of described PC104CPU integrated circuit board is connected with described data storage device.
Described WTB driver is responsible for a WTB bus data of described WTB bus input is converted to first Manchester signal and outputs to described WTB codec, and is the 2nd WTB bus data and through described WTB bus output with second Manchester conversion of signals of described WTB codec output;
Described WTB codec is responsible for described first Manchester signal decoding to be a HDLC digital signal and to output to described WTB protocol controller, and is described second Manchester signal with the 2nd HDLC digital signal encoding of described WTB protocol controller output;
Described MCU is responsible for the sequencing control of described WTB protocol controller, and the data of handling described WTB protocol controller and the input of described PC104 bus interface module;
Described WTB protocol controller is responsible for a described HDLC digital signal is resolved to the accessible data of MCU and produces interrupt signal, and generates the 2nd HDLC digital signal according to MCU data waiting for transmission, and outputs to described WTB codec;
Described PC104 bus interface module is responsible for the data of described MCU output are converted to the first PC104 bus communication signal and output to described PC104CPU integrated circuit board, and the 2nd PC104 bus communication conversion of signals of described PC104CPU integrated circuit board output is become the accessible data of MCU and outputs to described MCU;
Described PC104CPU integrated circuit board is responsible for handling a described PC104 bus communication signal and is stored result into described data storage device, and generates described the 2nd PC104 bus communication signal and to described PC104 bus interface module output according to the data of storing in the described data storage device.
Above-mentioned WTB data logger also can comprise: redundant WTB codec and redundant WTB driver; One end of described redundant WTB encoding and decoding is by described internal bus and described two-way connection of WTB protocol controller, and the other end is by two-way connection of an end of described internal bus and described redundant WTB driver; The other end of described redundant WTB driver and outside two-way connection of WTB redundant bus.
Described redundant WTB driver is responsible for the 3rd WTB bus data through described redundant WTB bus input is demodulated into the 3rd Manchester signal and outputs to described redundant WTB codec, and with described second Manchester signal of described redundant WTB codec output, be converted to described the 2nd WTB bus data, and through described redundant WTB bus output;
Described redundant WTB codec is responsible for described the 3rd Manchester signal decoding to be the 3rd HDLC digital signal and to output to described WTB protocol controller, and is described second Manchester signal with described the 2nd HDLC digital signal encoding of described WTB protocol controller output;
Described WTB protocol controller also is responsible for described the 3rd HDLC digital signal is resolved to the accessible data of MCU, and produces interrupt signal; And described the 2nd HDLC digital signal outputed to described redundant WTB codec.
Optionally, described MCU is specially the Z8S180 processor, and described PC104CPU integrated circuit board is specially the X86-CPU card.
The present invention also provides a kind of method of work of WTB data logger, comprising:
The WTB driver will be converted to first Manchester signal and output to the WTB codec through a WTB bus data of WTB bus input; Described WTB codec is a HDLC digital signal with described first Manchester signal decoding and outputs to the WTB protocol controller; Described WTB protocol controller resolves to the accessible data of MCU with a described HDLC digital signal, and produces interrupt signal; Described MCU receives described interrupt signal, and described accessible data are handled, and the data after handling are outputed to the PC104 bus interface module; Described PC104 bus interface module generates a PC104 bus communication signal according to the data of described MCU output, and outputs to the PC104CPU integrated circuit board; Described PC104CPU integrated circuit board is handled a described PC104 bus communication signal, and stores result into data storage device;
Described PC104CPU integrated circuit board generates the 2nd PC104 bus communication signal according to the data of storing in the described data storage device, and to described PC104 bus interface module output; Described PC104 bus interface module is the accessible signal of MCU with described the 2nd PC104 bus communication conversion of signals, and is input to described MCU; Described MCU handles the data of described PC104 bus interface module input, obtains data waiting for transmission; Described WTB protocol controller generates the 2nd HDLC digital signal according to described data waiting for transmission, and sends to described WTB codec; Described WTB codec is second Manchester signal with described the 2nd HDLC digital signal encoding, and outputs to described WTB driver; Described WTB driver is the 2nd WTB bus data with described second Manchester conversion of signals, and through described WTB bus output.
Optionally, above-mentioned method of work also can comprise: described WTB protocol controller outputs to redundant WTB codec with described the 2nd HDLC digital signal; Described redundant WTB codec is second Manchester signal with described the 2nd HDLC digital signal encoding, and outputs to redundant WTB driver; Described redundant WTB driver is the 2nd WTB bus data with described second Manchester conversion of signals, and through redundant WTB bus output;
Described redundant WTB driver will it be converted to the 3rd Manchester signal through the 3rd WTB bus data of described WTB redundant bus input, and outputs to redundant WTB codec; Described redundant WTB codec is the 3rd HDLC digital signal with described the 3rd Manchester conversion of signals, and outputs to described WTB protocol controller; Described WTB protocol controller resolves to the accessible data of MCU with described the 3rd HDLC digital signal, and produces interrupt signal.
Described data waiting for transmission can comprise: process data, message data and/or monitoring data.
The present invention combines the WTB bus mechanism of rolling stock domain-specific and PC104CPU integrated circuit board, particularly X86-CPU card and the relevant data storage device on extensive application basis, has createed a kind of novel data logger based on the WTB interface.WTB data logger provided by the invention has reliability, flexibility, versatility, low cost and other advantages.In addition, the function that will realize required for the present invention becomes a part of locomotive system, make the manufacturer that the locomotive field is unfamiliar with or is not possessed WTB bus research and development ability, can push the product of oneself to Railway Market fast, extensively promote so the present invention is highly suitable in the application of rolling stock.
Description of drawings
Fig. 1 is the structural representation one of WTB data logger provided by the invention;
Fig. 2 is the structural representation two of WTB recorder provided by the invention;
Fig. 3 is a WTB data logger method of work flow chart one provided by the invention;
Fig. 4 is a WTB data logger method of work flowchart 2 provided by the invention.
Reference numeral:
1-MCU; The 2-WTB protocol controller; The 3-WTB codec;
The 4-WTB driver; The 5-PC104 bus interface module; The 6-PC104CPU integrated circuit board;
The 7-data storage device; The 11-Z8S180 processor; The 61-X86-CPU card;
The redundant WTB codec of 8-; The redundant WTB driver of 9-.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention clearer, below in conjunction with the accompanying drawing in the embodiment of the invention, technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
Embodiment one
Fig. 1 is the structural representation one of WTB data logger provided by the invention.WTB data logger as shown in Figure 1 comprises: MCU (multipoint control unit, Micro Controller Unit) 1, WTB protocol controller 2, WTB codec 3, WTB driver 4, PC104 bus interface module 5, PC104CPU integrated circuit board 6 and data storage device 7.
MCU1, WTB protocol controller 2, WTB codec 3 and WTB driver 4, by the two-way in turn connection of internal bus, that is: MCU1 is by internal bus and 2 two-way connections of WTB protocol controller, WTB protocol controller 2 is by internal bus and 3 two-way connections of WTB codec, and WTB codec 3 is by internal bus and 4 two-way connections of WTB driver.WTB driver 4 also with outside two-way connection of WTB bus.In addition, PC104 bus interface module 5 is external interface circuit of PC104 bus, the one end is connected and the end of the other end by internal bus and PC104CPU integrated circuit board 6 by internal bus and MCU1 are two-way, as the two-way connection of PC104 bus of PC104CPU integrated circuit board; The other end of PC104CPU integrated circuit board 6 is connected with data storage device 7.
First Manchester signal) and output to WTB codec 3 WTB driver 4 is responsible for the bus datas of WTB bus input (might as well be referred to as: a WTB bus data) be converted to Manchester signal and (might as well be referred to as:, and Manchester signal of WTB codec 3 outputs (might as well be referred to as: second Manchester signal) be converted to the WTB bus data and (might as well be referred to as: the 2nd WTB bus data) and through the WTB bus export.
First Manchester signal that WTB codec 3 is responsible for 4 outputs of WTB driver, a HDLC digital signal) and output to WTB protocol controller 2 being decoded as the HDLC digital signal (might as well be called:, and the HDLC digital signal of WTB protocol controller 2 outputs (might as well be called: the 2nd HDLC digital signal) be encoded to second Manchester signal.
MCU1 carries out central authorities' control, as the sequencing control of responsible WTB protocol controller 2, and the data of handling WTB protocol controller 2 and 5 inputs of PC104 bus interface module.MCU1 also can be responsible for the control of monitoring voltage, dongle and working power etc.
WTB protocol controller 2 is responsible for a HDLC digital signal is resolved to the accessible data of MCU1 and produces interrupt signal, and generates the 2nd HDLC digital signal according to MCU1 data waiting for transmission, and outputs to WTB codec 3.
A PC104 bus communication signal) and output to PC104CPU integrated circuit board 6 PC104 bus interface module 5 is responsible for data with MCU1 output and is converted to the signal that meets the PC104 bus communication and (might as well be called:, and the signal that meets the PC104 bus communication of PC104CPU integrated circuit board 6 outputs (might as well be called: the 2nd PC104 bus communication signal) convert the accessible data of MCU to and output to MCU1.
PC104CPU integrated circuit board 6 is responsible for handling described PC104 bus communication signals and is stored result into data storage device 7, and generates described the 2nd PC104 bus communication signal and to 5 outputs of PC104 bus interface module according to the data of storage in the data storage device 7.
Embodiment two
Fig. 2 is the structural representation two of WTB recorder provided by the invention.As shown in Figure 2, present embodiment is comprising with the difference of the corresponding embodiment of Fig. 1:
Improve data processing speed, MCU can be high-speed microprocessor, is preferably Z8S180 processor 11.In order to satisfy user's different demands, the PC104CPU integrated circuit board can select for use scalability preferably based on the PC104CPU integrated circuit board of X86 series, and promptly the X86-CPU card 61;
In order to improve the scalability of equipment, satisfy user's different demands, the portable WTB data analysis of present embodiment sticks into has gone redundant arrangement, promptly also can comprise: redundant WTB codec 8 and redundant WTB driver 9; One end of redundant WTB codec 8 is by internal bus and 2 two-way connections of WTB protocol controller, and the other end is by two-way connection of an end of internal bus and redundant WTB driver 9; The other end and outside two-way connection of WTB redundant bus of redundant WTB driver 9.
The 3rd Manchester signal) and output to redundant WTB codec 8 redundant WTB driver 9 is responsible for and will (might as well be called: the 3rd WTB bus data) be demodulated into Manchester signal and (might as well be called: through the WTB bus data of redundant WTB bus input, and with second Manchester signal of redundant WTB codec 8 outputs, be converted to the 2nd WTB bus data, and through redundant WTB bus output.
The 3rd HDLC digital signal) and output to WTB protocol controller 2 it is that the HDLC digital signal (might as well be called:, and be second Manchester signal with the 2nd HDLC digital signal encoding of WTB protocol controller 2 outputs that redundant WTB codec 8 is responsible for the 3rd Manchester signal decoding.
Accordingly, WTB protocol controller 2 also is responsible for the 3rd HDLC digital signal is resolved to the accessible data of MCU, and produces interrupt signal; And the 2nd HDLC digital signal outputed to redundant WTB codec.
In the technique scheme, redundant WTB codec 8 and redundant WTB driver 9 can adopt the equipment identical with WTB codec 3 and WTB driver 4 respectively, are connected on the WTB redundant bus as one group of redundant interface.
Embodiment three
Fig. 3 is a WTB data logger method of work flow chart one provided by the invention.Flow process as shown in Figure 3 is the data flow direction that flows into data storage device from the WTB bus, describes the method for work of WTB data logger.See also Fig. 1 and shown in Figure 3, this method comprises:
Step 31:WTB driver will be converted to first Manchester signal and output to the WTB codec through a WTB bus data of WTB bus input.
Step 32:WTB codec is a HDLC digital signal with described first Manchester signal decoding and outputs to the WTB protocol controller.
Step 33:WTB protocol controller resolves to the accessible data of MCU with a HDLC digital signal, and produces interrupt signal.
Step 34:MCU receives described interrupt signal, and described accessible data are handled, and the data after handling are outputed to the PC104 bus interface module.
Step 35:PC104 bus interface module generates a PC104 bus communication signal according to the data of MCU output, and outputs to the PC104CPU integrated circuit board.
Step 36:PC104CPU integrated circuit board is handled a PC104 bus communication signal, and stores result into data storage device.
If portable WTB data analysis card adopts redundant arrangement as shown in Figure 2, then above-mentioned steps 31 also can comprise: redundant WTB driver will it be converted to the 3rd Manchester signal through the 3rd WTB bus data of WTB redundant bus input, and outputs to redundant WTB codec.Above-mentioned steps 32 also can comprise: redundant WTB codec is the 3rd HDLC digital signal with the 3rd Manchester conversion of signals, and outputs to the WTB protocol controller.Above-mentioned steps 33 also can comprise: the WTB protocol controller resolves to the accessible data of MCU with the 3rd HDLC digital signal, and produces interrupt signal.
Embodiment four
Fig. 4 is a WTB data logger method of work flowchart 2 provided by the invention.Flow process as shown in Figure 4 is the data flow direction that flows into the WTB bus from data storage device, describes the method for work of WTB data logger.See also Fig. 1 and shown in Figure 4, this method comprises:
Step 41:PC104CPU integrated circuit board generates the 2nd PC104 bus communication signal according to the data of storing in the data storage device, and exports to the PC104 bus interface module.
Step 42:PC104 bus interface module is the accessible signal of MCU with the 2nd PC104 bus communication conversion of signals, and is input to MCU.
Step 43:MCU handles the data of PC104 bus interface module input, obtains data waiting for transmission.
MCU data waiting for transmission can comprise: process data, message data and/or monitor data.Wherein process data is a periodic data, and message data is the aperiodicity data, and monitor data is periodicity or sporadic data.
Step 44:WTB protocol controller generates the 2nd HDLC digital signal according to described data waiting for transmission, and sends to the WTB codec.
Step 45:WTB codec is second Manchester signal with the 2nd HDLC digital signal encoding, and outputs to the WTB driver.
Step 46:WTB driver is the 2nd WTB bus data with second Manchester conversion of signals, and exports through the WTB bus.
If the WTB data logger adopts redundant arrangement as shown in Figure 2, then above-mentioned steps 43 also can comprise: the WTB protocol controller outputs to redundant WTB codec with described the 2nd HDLC digital signal; Above-mentioned steps 44 also can comprise: redundant WTB codec is second Manchester signal with the 2nd HDLC digital signal encoding, and outputs to redundant WTB driver; Above-mentioned steps 45 also can comprise: redundant WTB driver is the 2nd WTB bus data with second Manchester conversion of signals, and through redundant WTB bus output.
Need to prove, subway light rail and rolling stock generally are provided with the WTB data logger at present, but, because the specificity of WTB bus, a lot of producers can not provide the data logger with WTB interface, and this technology abroad monopolized always, and equipment cost is high, and versatility is also not as people's will.Based on this, the present patent application people is by the technology of self-control development, the bussing technique of rolling stock special use and the special technology of industrial control field are mutually combined, develop the WTB data logger of rolling stock special use, this WTB data logger has application value widely.
Concrete analysis by technique scheme as can be known, the present invention has following beneficial effect:
1, the present invention combines PC104 bussing technique and WTB bussing technique, is general PC104 bus communication signal with the WTB data conversion of special use.Because the PC104 communication modes that the present invention adopts is one of present widely used communication modes, have that interface is simple, cheap, debugging is convenient, dependable performance and on traffic rate fully and advantage such as WTB network coupling.WTB data logger provided by the invention is applied to fields such as rolling stock, power plant, has characteristics such as real-time height, response time of data record be fast.
2, the PC104CPU integrated circuit board, particularly X86-CPU that adopt of the present invention is stuck in industrial control field and is widely used, and its scalability is strong, and is very convenient to the expansion of data memory cell.Concrete, can carry out the function expansion of data record unit according to different requirements of customers, specifically the function that can realize comprises: the first, can carry out the capacity extension of data storage cell according to the data volume characteristics of user's data communication; The second, can carry out reinforcing according to the security performance class requirement that the user stores data to storage area; The 3rd, can require carry out the expansion of data collecting card to the collection of some special data according to the user, need gather digital input amount such as the client, data record unit can be according to the acquisition interface card of client's requirements extend digital quantity input.If the client needs rate signal collection and record, data record unit can be according to the acquisition interface card of client's requirements extend analog quantity.In addition, owing to adopted the X86-CPU card, so WTB data logger of the present invention also supports the access of interfaces such as keyboard, display screen and mouse, made things convenient for the debugging of system.
To sum up, the present invention is with the WTB bus mechanism of rolling stock domain-specific and the PC104CPU integrated circuit board on extensive application basis, particularly X86-CPU card and relevant data storage device combine, and have createed a kind of novel data logger based on the WTB interface.WTB data logger provided by the invention has reliability, flexibility, versatility, low cost and other advantages, makes things convenient for installation, maintenance and data to download.In addition, the function that will realize required for the present invention becomes a part of locomotive system, make the manufacturer that the locomotive field is unfamiliar with or is not possessed WTB bus research and development ability, can push the product of oneself to Railway Market fast, extensively promote so the present invention is highly suitable in the application of rolling stock.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (8)
1. a WTB data logger is characterized in that, comprising:
MCU, WTB protocol controller, WTB codec and WTB driver, by the two-way in turn connection of internal bus, and described WTB driver and outside two-way connection of WTB bus;
PC104 bus interface module, PC104CPU integrated circuit board and data storage device; One end of described PC104 bus interface module by described internal bus and described MCU two-way be connected and the other end by an end two-way be connected of described internal bus with described PC104CPU integrated circuit board; The other end of described PC104CPU integrated circuit board is connected with described data storage device.
2. WTB data logger according to claim 1 is characterized in that,
Described WTB driver is responsible for a WTB bus data of described WTB bus input is converted to first Manchester signal and outputs to described WTB codec, and is the 2nd WTB bus data and through described WTB bus output with second Manchester conversion of signals of described WTB codec output;
Described WTB codec is responsible for described first Manchester signal decoding to be a HDLC digital signal and to output to described WTB protocol controller, and is described second Manchester signal with the 2nd HDLC digital signal encoding of described WTB protocol controller output;
Described MCU is responsible for the sequencing control of described WTB protocol controller, and the data of handling described WTB protocol controller and the input of described PC104 bus interface module;
Described WTB protocol controller is responsible for a described HDLC digital signal is resolved to the accessible data of MCU and produces interrupt signal, and generates the 2nd HDLC digital signal according to MCU data waiting for transmission, and outputs to described WTB codec;
Described PC104 bus interface module is responsible for the data of described MCU output are converted to the first PC104 bus communication signal and output to described PC104CPU integrated circuit board, and the 2nd PC104 bus communication conversion of signals of described PC104CPU integrated circuit board output is become the accessible data of MCU and outputs to described MCU;
Described PC104CPU integrated circuit board is responsible for handling a described PC104 bus communication signal and is stored result into described data storage device, and generates described the 2nd PC104 bus communication signal and to described PC104 bus interface module output according to the data of storing in the described data storage device.
3. WTB data logger according to claim 1 is characterized in that, also comprises: redundant WTB codec and redundant WTB driver;
One end of described redundant WTB encoding and decoding is by described internal bus and described two-way connection of WTB protocol controller, and the other end is by two-way connection of an end of described internal bus and described redundant WTB driver; The other end of described redundant WTB driver and outside two-way connection of WTB redundant bus.
4. WTB data logger according to claim 3 is characterized in that,
Described redundant WTB driver is responsible for the 3rd WTB bus data through described redundant WTB bus input is demodulated into the 3rd Manchester signal and outputs to described redundant WTB codec, and with second Manchester signal of described redundant WTB codec output, be converted to the 2nd WTB bus data, and through described redundant WTB bus output;
Described redundant WTB codec is responsible for described the 3rd Manchester signal decoding to be the 3rd HDLC digital signal and to output to described WTB protocol controller, and is described second Manchester signal with the 2nd HDLC digital signal encoding of described WTB protocol controller output;
Described WTB protocol controller also is responsible for described the 3rd HDLC digital signal is resolved to the accessible data of MCU, and produces interrupt signal; And described the 2nd HDLC digital signal outputed to described redundant WTB codec.
5. according to the arbitrary described WTB data logger of claim 1～4, it is characterized in that,
Described MCU is specially the Z8S180 processor, and described PC104CPU integrated circuit board is specially the X86-CPU card.
6. the method for work of the arbitrary described WTB data logger of claim 1～5 is characterized in that, comprising:
The WTB driver will be converted to first Manchester signal and output to the WTB codec through a WTB bus data of WTB bus input; Described WTB codec is a HDLC digital signal with described first Manchester signal decoding and outputs to the WTB protocol controller; Described WTB protocol controller resolves to the accessible data of MCU with a described HDLC digital signal, and produces interrupt signal; Described MCU receives described interrupt signal, and described accessible data are handled, and the data after handling are outputed to the PC104 bus interface module; Described PC104 bus interface module generates a PC104 bus communication signal according to the data of described MCU output, and outputs to the PC104CPU integrated circuit board; Described PC104CPU integrated circuit board is handled a described PC104 bus communication signal, and stores result into data storage device;
Described PC104CPU integrated circuit board generates the 2nd PC104 bus communication signal according to the data of storing in the described data storage device, and to described PC104 bus interface module output; Described PC104 bus interface module is the accessible signal of MCU with described the 2nd PC104 bus communication conversion of signals, and is input to described MCU; Described MCU handles the data of described PC104 bus interface module input, obtains data waiting for transmission; Described WTB protocol controller generates the 2nd HDLC digital signal according to described data waiting for transmission, and sends to described WTB codec; Described WTB codec is second Manchester signal with described the 2nd HDLC digital signal encoding, and outputs to described WTB driver; Described WTB driver is the 2nd WTB bus data with described second Manchester conversion of signals, and through described WTB bus output.
7. method of work according to claim 6 is characterized in that, also comprises:
Described WTB protocol controller outputs to redundant WTB codec with described the 2nd HDLC digital signal; Described redundant WTB codec is described second Manchester signal with described the 2nd HDLC digital signal encoding, and outputs to redundant WTB driver; Described redundant WTB driver is the 2nd WTB bus data with described second Manchester conversion of signals, and through redundant WTB bus output;
Described redundant WTB driver will it be converted to the 3rd Manchester signal through the 3rd WTB bus data of described WTB redundant bus input, and outputs to redundant WTB codec; Described redundant WTB codec is the 3rd HDLC digital signal with described the 3rd Manchester conversion of signals, and outputs to described WTB protocol controller; Described WTB protocol controller resolves to the accessible data of MCU with described the 3rd HDLC digital signal, and produces interrupt signal.
8. according to claim 6 or 7 described method of works, it is characterized in that described data waiting for transmission comprise: process data, message data and/or monitoring data.
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| WO2013082741A1 (en) * | 2011-12-05 | 2013-06-13 | 中国北车股份有限公司大连电力牵引研发中心 | Wtb data recorder and operating method thereof |
| CN103810769A (en) * | 2012-11-09 | 2014-05-21 | 中国北车股份有限公司 | Data recorder based on HDLC (high-level data link control) and recording method |
| CN105631965A (en) * | 2014-10-30 | 2016-06-01 | 中车大连电力牵引研发中心有限公司 | Vehicle-mounted WTB message recorder |
| CN107230263A (en) * | 2017-05-31 | 2017-10-03 | 中车信息技术有限公司 | A kind of WTB bus datas frame recording instrument and recording method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013078664A1 (en) * | 2011-12-01 | 2013-06-06 | 中国北车股份有限公司大连电力牵引研发中心 | Portable wtb data analysis card and working method thereof |
| WO2013082741A1 (en) * | 2011-12-05 | 2013-06-13 | 中国北车股份有限公司大连电力牵引研发中心 | Wtb data recorder and operating method thereof |
| CN103810769A (en) * | 2012-11-09 | 2014-05-21 | 中国北车股份有限公司 | Data recorder based on HDLC (high-level data link control) and recording method |
| CN105631965A (en) * | 2014-10-30 | 2016-06-01 | 中车大连电力牵引研发中心有限公司 | Vehicle-mounted WTB message recorder |
| CN107230263A (en) * | 2017-05-31 | 2017-10-03 | 中车信息技术有限公司 | A kind of WTB bus datas frame recording instrument and recording method |
| CN107230263B (en) * | 2017-05-31 | 2019-12-06 | 中车信息技术有限公司 | WTB bus data frame recorder and recording method |
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Application publication date: 20111102 |